Cannot update Lineage II- Launcher stuck at 20%

Every time I try updating lineage II, I get this error:

Quote:

[Update error] Cannot download file. Please restart the launcher. If this problem persists, please contact Customer Support at http://ift.tt/O6nwqV. E02018 DP_G17_18_21/425cf997 Patch/Zip/Sounds/CineSound.uax.zip